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Fragrance ingredient (diketone)

TRIMETHYLDECENEDIONE

CAS 13851-06-4
48

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

Unsaturated diketone fragrance ingredient used in perfumery. Structural class raises sensitization concerns, and dedicated cosmetic safety data are limited for this specific molecule.

Function

BLEACHING, CHELATING

Skin benefits

  • Provides characteristic fragrance note in perfumery
  • Contributes to scent complexity in finished products

Known concerns

  • Diketone class includes known respiratory sensitizers
  • Potential skin sensitizer based on structural alerts
  • Limited dedicated cosmetic safety review

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.